Low dose acetyl salicylic acid in severe preeclampsia

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Abstract
Twenty pregnant patients in the third trimester with severe preeclampsia were allocated at random into two equal groups. The first group was treated for 10 days with a low dose (75 mg/day) of acetyl salicylic acid (ASA) then with conventional therapy for another 10 days. The second group received the same regimen but conventional therapy in the first 10 days and ASA in the second 10 days. Changes in systolic and diastolic blood pressure, albuminuria, lower limb edema and urinary output were closely monitored and recorded. This comparative crossover study indicated that both the low dose ASA and conventional therapy significantly reduced systolic and diastolic blood pressure which was more pronounced with ASA and in group I. Crossover from one treatment to the other maintained the response but was more beneficial when ASA was given first.